Against this, he proposes the 'dialectical' system: a learning process that requires genuine two-way dialogue between learner and tutor, in which the tutor has as much to learn from the learner as the other way round. Other radical educationists such as Ivan Illich (1970) and Neil Postman (Postman and Weingartner 1971), have long argued for an approach to education that places the learner centre stage,